package com.bite.springblog.controller;


import com.bite.springblog.model.BlogInfo;
import com.bite.springblog.model.Result;
import com.bite.springblog.model.UserInfo;
import com.bite.springblog.service.UserService;
import com.bite.springblog.utils.JwtUtils;
import org.apache.catalina.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.Map;

@RequestMapping("/user")
@RestController
public class UserController {

    @Autowired
    private UserService userService;

    @RequestMapping("/login")
    public Result login(String userName,String password){
        if(!StringUtils.hasLength(userName)||!StringUtils.hasLength(password)){
            return Result.fail("用户名或密码为空");
        }
        //获取数据库中的密码
        UserInfo userInfo=userService.queryByName(userName);

        if(userInfo==null||userInfo.getId()<0){
            return Result.fail("用户不存在");
        }
        if(!password.equals(userInfo.getPassword())){
            return Result.fail("用户账户或密码错误");
        }

        //生成token
        Map<String ,Object> claim=new HashMap<>();
        claim.put("id",userInfo.getId());
        String token= JwtUtils.genToken(claim);
        return Result.success(token);
    }

    /**
     * 获取用户的信息
     * @return
     */
    @RequestMapping("/getUserInfo")
    public UserInfo getUserInfo(HttpServletRequest request){
        String token=request.getHeader("user_token");
        Integer userId= JwtUtils.getUserIdFromToken(token);
        if(userId==null){
            return null;
        }
        return userService.queryById(userId);
    }

    /**
     * 获取当前作者的信息
     */
    @RequestMapping("/getAuthorInfo")
    public UserInfo getAuthorInfo(Integer blogId){
        if(blogId==null&&blogId<0){
            return null;
        }
        return userService.qetAuthorInfo(blogId);
    }



}
